<?php
/* 
 *  Copyright (C) 2010 Emanuele Colonnelli <emanuele.colonnelli@phpstruct.com>
 * 
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
namespace org\phpstruct\core;
/**
 * Description of Cache
 *
 * @author Emanuele Colonnelli <emanuele.colonnelli@phpstruct.com>
 */
class Cache {

  public static function getKey($strkey){
	if(is_null($strkey) || empty ($strkey)){
	  throw new \Exception(_(""), Error::E_CACHE_NULL_KEYSTRING, null);
	}
	$class = get_called_class();
	$bt = array_shift(debug_backtrace(true));

	$key = md5($bt['class'].$bt['function'].\implode('', $bt['args']));

	return $key;
  }

}
